Ljj Posted May 26, 2015 Report Share Posted May 26, 2015 (edited) Can't get this jetting right on my shee. I stared with 290 27.5 and it ran like shit. Now I'm 240 runs better but im about 2.5 turns out but still sort of runs like shit needle 3clip. Any suggestions. VF4 Dg pipes Stock carbs Adujustable timing plate .40 over Open lid I will be advancing timing +4 but I'm waiting until motor breaks in. Will I have tto rejet again once I do. Oh yea I live in Florida.thanks Edited May 26, 2015 by Ljj Quote Link to comment Share on other sites More sharing options...
sleeper06 Posted May 27, 2015 Report Share Posted May 27, 2015 It's not jetting , 270 -280 main same pilot , you either have s spark issue or air leak check both Quote Link to comment Share on other sites More sharing options...
sleeper06 Posted May 27, 2015 Report Share Posted May 27, 2015 What's it doing and what rpm , runs like shit is broad Quote Link to comment Share on other sites More sharing options...
Ljj Posted May 27, 2015 Author Report Share Posted May 27, 2015 Won't idle 1St breaks up 2,3,4 fine 5 breaks up. Quote Link to comment Share on other sites More sharing options...
sleeper06 Posted May 27, 2015 Report Share Posted May 27, 2015 Pressure test that motor before u need another rebuild Quote Link to comment Share on other sites More sharing options...
Ljj Posted May 27, 2015 Author Report Share Posted May 27, 2015 Pressure test that motor before u need another rebuild What do you mean leak down test. If so did that already. Quote Link to comment Share on other sites More sharing options...
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